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Asuncion

$1,183+ Cheap flights from Seattle (SEA) to Asuncion (ASU)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ASU
Aug 25 — Sep 11
Tue 8/25
Tue 9/1
1 adult, Economy
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Cheap flight deals from Seattle to Asuncion

Cheapest flights from Seattle to Asuncion
Explore the most affordable flight options available from Seattle to Asuncion. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 26, 2026.

This Copa Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:23 pm
SEA
-
ASU
2 stops31h 02m
Copa Airlines
Wed 11/116:31 am
ASU
-
SEA
2 stops33h 45m
Copa Airlines
Deal found 7/25$1,183
This LATAM Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:05 am
SEA
-
ASU
2 stops29h 50m
LATAM Airlines
Sun 11/17:00 pm
ASU
-
SEA
2 stops31h 47m
LATAM Airlines
Deal found 7/25$1,209
This oojo deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/207:15 am
SEA
-
ASU
2 stops42h 50m
LATAM Airlines
Fri 9/2511:25 am
ASU
-
SEA
2 stops29h 05m
LATAM Airlines
Deal found 7/22$1,244
This Justfly.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2111:15 pm
SEA
-
ASU
2 stops25h 25m
Multiple Airlines
Fri 9/258:25 am
ASU
-
SEA
2 stops29h 11m
Multiple Airlines
Deal found 7/22$1,260
This Expedia deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/78:05 am
SEA
-
ASU
2 stops46h 25m
LATAM Airlines
Mon 9/1411:25 am
ASU
-
SEA
3 stops62h 30m
LATAM Airlines
Deal found 7/24$1,269
This KAYAK deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/206:00 am
SEA
-
ASU
2 stops20h 05m
LATAM Airlines
Thu 9/248:10 am
ASU
-
SEA
2 stops29h 40m
LATAM Airlines
Deal found 7/22$1,271
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1911:59 pm
SEA
-
ASU
2 stops25h 32m
United Airlines
Fri 9/256:33 am
ASU
-
SEA
2 stops44h 03m
United Airlines
Deal found 7/22$1,274
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1911:59 pm
SEA
-
ASU
2 stops25h 32m
United Airlines
Sat 9/266:33 am
ASU
-
SEA
2 stops36h 20m
United Airlines
Deal found 7/22$1,291
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2010:58 pm
SEA
-
ASU
2 stops26h 33m
United Airlines
Fri 9/256:33 am
ASU
-
SEA
3 stops42h 42m
United Airlines
Deal found 7/22$1,297
This United Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:05 am
SEA
-
ASU
2 stops36h 58m
United Airlines
Sun 11/16:31 am
ASU
-
SEA
3 stops37h 08m
United Airlines
Deal found 7/24$1,309
This FlightHub deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:03 am
SEA
-
ASU
2 stops20h 02m
Multiple Airlines
Wed 8/198:10 am
ASU
-
SEA
2 stops41h 55m
Multiple Airlines
Deal found 7/25$1,324

Find flight deals from Seattle to Asuncion

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Asuncion (ASU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,183
(Copa Airlines)
Provider with most accurate pricing for Seattle/Tacoma Intl-Asuncion Silvio Pettirossi flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Asuncion Silvio Pettirossi flights.
Search Deals
From Seattle/Tacoma Intl to Asuncion Silvio Pettirossi
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Asuncion that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 26, 2026.
Use the filters below to find and compare flights from Seattle to Asuncion that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Wed 11/4

5:23 pm-5:25 am

2 stops31h 02m

Asuncion Silvio Pettirossi

Wed 11/11

6:31 am-11:16 am

2 stops33h 45m

$1,183

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Wed 10/28

8:05 am-5:55 pm

2 stops29h 50m

Asuncion Silvio Pettirossi

Sun 11/1

7:00 pm-9:47 pm

2 stops31h 47m

$1,209

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Mon 9/7

8:05 am-10:30 am

2 stops46h 25m

Asuncion Silvio Pettirossi

Mon 9/14

11:25 am-9:55 pm

3 stops62h 30m

$1,269
Quickest round-trip

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Sun 9/20

6:00 am-6:05 am

2 stops20h 05m

Asuncion Silvio Pettirossi

Thu 9/24

8:10 am-9:50 am

2 stops29h 40m

$1,271

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Sun 9/20

11:59 pm-12:18 am

2 stops20h 19m

Asuncion Silvio Pettirossi

Sat 9/26

6:33 am-2:53 pm

2 stops36h 20m

$1,291

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Wed 10/28

7:03 am-12:03 am

2 stops37h 00m

Asuncion Silvio Pettirossi

Sun 11/1

6:31 am-7:17 pm

2 stops41h 46m

$1,291

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Sat 9/19

11:59 pm-5:31 am

2 stops25h 32m

Asuncion Silvio Pettirossi

Sat 9/26

6:33 am-2:53 pm

2 stops36h 20m

$1,291

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Mon 9/21

11:59 pm-12:18 am

2 stops20h 19m

Asuncion Silvio Pettirossi

Sat 9/26

6:33 am-12:48 pm

2 stops34h 15m

$1,291

SeattleAsuncion

SEA - ASU

SEAASU

Seattle/Tacoma Intl

Fri 8/7

6:00 am-2:48 am

2 stops40h 48m

Asuncion Silvio Pettirossi

Sun 8/23

6:33 am-9:51 pm

2 stops43h 18m

$1,389

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/25

Sorted by cheapest first

Compare providers for flights from Seattle to Asuncion

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Asuncion in July.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Asuncion flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Asuncion flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Asuncion flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Asuncion flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Asuncion flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Asuncion

Have a flexible travel schedule? Discover the best time to fly to Asuncion from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Asuncion

Get insights into the airlines that provide service to Asuncion. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Asuncion. Reviews last updated July 26, 2026.
Peruse reviews from past customers who have flown with LATAM Airlines from Seattle to Asuncion to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
LATAM Airlines
7.4
Good
1,965 reviews

Overall

7.4

Crew

8.0

Boarding

7.5

Comfort

7.3

Food

6.7

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2025

MIA - GRU

Terrible baggage service! Almost lost my connection flight in SP
LATAM Airlines
7.4
Good
1,965 reviews
LATAM Airlines
7.4
Good
1,965 reviews

Overall

7.4

Crew

8.0

Boarding

7.5

Comfort

7.3

Food

6.7

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2025

MIA - GRU

Terrible baggage service! Almost lost my connection flight in SP

Related info for your journey

Find useful and relevant information for your journey from Seattle to Asuncion. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Seattle to Asuncion?

    A quick flight from Seattle to Asuncion can take about 29h 50m. Copa Airlines provides one of the quickest options available for as low as $1,209. The distance from Seattle to Asuncion is about 6426 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Seattle to Asuncion round-trip?

    LATAM Airlines, at $729, was found to be the cheapest airline from Seattle to Asuncion..

  • Can I find deals for flights from Seattle to Asuncion that include hotel bookings?

    Yes. In addition to deals on Seattle to Asuncion flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Asuncion?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Asuncion.

  • Can I find deals for business class flights from Seattle to Asuncion?

    Yes. Cheapflights offers flight deals from Seattle to Asuncion by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Seattle to Asuncion

Discover the top airline that operate flights from Seattle to Asuncion. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest$729Average$1,146FlexibilityNo cancel feeOn-time81%

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